1. Come up with one business question which requires data analysis to solve. It can be something you are interested in or related to your work. Please describe the business question.
2. Assume you want to do data analysis on this question, what kind of data you may need? Please provide at least 5 data variables.
3. Are those data available anywhere online? Can we collect them from a website or a database? Or do we need to do survey or observation to get the data? Please describe the data collection process.
4. Think about potential data quality issues in the dataset and what you plan to do to improve the data quality issue?